This is the woff2 library from
https://github.com/google/woff2.
Upstream code can be viewed at
https://github.com/google/woff2/tree/master/src
and cloned by
git clone https://github.com/google/woff2
The in-tree copy is updated by running
sh update.sh
from within the modules/woff2 directory.
Current version: [commit 3831354113db8803fb1f5ba196cf0bbb537578dd].
redefine-unique_ptr.patch redefines the class std::unique_ptr to workaround a
build issue with missing C++11 features.
See https://bugzilla.mozilla.org/show_bug.cgi?id=1227058
7c24b77e7b